1 tbsp. tomato paste
1/2 to 1 tsp. garlic salt
1/2 tsp. salt
1/4 tsp. pepper
1 1/2 to 2 lb. flank steak, scored
1 c. water
1 bay leaf
1/4 c. red wine vinegar

Marinate steak in rest of ingredients overnight. After marinating melt 2 tablespoons butter in marinade and use to baste meat while cooking. Cook under boiler or on charcoal or gas grill.